using ATS.NonCustodial.Application.Base;
using ATS.NonCustodial.Application.Contracts.Interfaces.Business.AppAnnouncements;
using ATS.NonCustodial.Application.Contracts.Interfaces.Business.AppAnnouncements.Input;
using ATS.NonCustodial.Application.Contracts.Interfaces.Business.AppAnnouncements.Output;
using ATS.NonCustodial.Application.Contracts.Interfaces.Business.AppCaseManagements.AppCaseManagement.Output;
using ATS.NonCustodial.Application.Contracts.Interfaces.Business.Apps.Output;
using ATS.NonCustodial.Application.Impl.Business.IM;
using ATS.NonCustodial.Domain.Entities.Business;
using ATS.NonCustodial.Domain.Entities.Business.CaseManagements;
using ATS.NonCustodial.Domain.Entities.Business.IM;
using ATS.NonCustodial.Domain.Shared.AggRootEntities.Dtos;
using ATS.NonCustodial.Domain.Shared.Enums;
using ATS.NonCustodial.Domain.Shared.OrmRepositories.Basic.EfCore;
using ATS.NonCustodial.DynamicApi;
using ATS.NonCustodial.DynamicApi.Attributes;
using ATS.NonCustodial.Shared.Common.UnifiedResults;
using ATS.NonCustodial.Shared.Configurations.Options;
using ATS.NonCustodial.Shared.Extensions;
using ATS.NonCustodial.Shared.Extensions.AdvancedQuery;
using ATS.NonCustodial.Shared.Extensions.Collection;
using AutoMapper.QueryableExtensions;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.SignalR;
using Microsoft.EntityFrameworkCore;
using Newtonsoft.Json;
using Yitter.IdGenerator;

namespace ATS.NonCustodial.Application.Impl.Business
{
    /// <summary>
    /// 通知公告管理
    /// </summary>
    /// Author:mxg
    /// CreatedTimed:2022-06-05 10:01 PM
    [DynamicApi(Area = "admin")]
    public class AppAnnouncementService : AdminAppServiceBase, IAppAnnouncementService, IDynamicApi
    {
        #region Identity

        private readonly IEfRepository<AppAnnouncement, long> _appAnnouncementRepository;
        private readonly IEfRepository<AppAnnouncementViewStatistics, long> _appAnnouncementViewStatisticsRepository;
        private readonly IHubContext<NonCustodialHub> _hubContext;
        protected readonly IEfRepository<AppCaseManagement, long> _appCaseManagementRepository;
        protected readonly IEfRepository<AppCaseSupervisedPerson, long> _appSupervisedPersonRepository;

        /// <summary>
        ///
        /// </summary>
        /// <param name="appAnnouncementRepository"></param>
        /// <param name="appAnnouncementViewStatisticsRepository"></param>
        /// <param name="hubContext"></param>
        /// <param name="appCaseManagementRepository"></param>
        /// <param name="appSupervisedPersonRepository"></param>
        public AppAnnouncementService(IEfRepository<AppAnnouncement, long> appAnnouncementRepository,
            IEfRepository<AppAnnouncementViewStatistics, long> appAnnouncementViewStatisticsRepository,
            IHubContext<NonCustodialHub> hubContext,
            IEfRepository<AppCaseManagement, long> appCaseManagementRepository,
            IEfRepository<AppCaseSupervisedPerson, long> appSupervisedPersonRepository)
        {
            _appAnnouncementRepository = appAnnouncementRepository;
            _appAnnouncementViewStatisticsRepository = appAnnouncementViewStatisticsRepository;
            _hubContext = hubContext;
            _appCaseManagementRepository = appCaseManagementRepository;
            _appSupervisedPersonRepository = appSupervisedPersonRepository;
        }

        #endregion Identity

        /// <summary>
        /// 查询公告明细
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        [AllowAnonymous]
        public async Task<IResultOutput> Get(long id)
        {
            var appAnnouncement = await _appAnnouncementRepository.GetAsync(id);

            var appAnnouncementViewStatistics = await _appAnnouncementViewStatisticsRepository
                .AsQueryable(false, true)
                .Where(w => w.AnnouncementId == id)
                .ToListAsync();

            var rtn = new AppAnnouncementGetDto()
            {
                Title = appAnnouncement.Title,
                Content = appAnnouncement.Content,
                AnnouncementTypeId = appAnnouncement.AnnouncementTypeId,
                SupervisedPersonIds = appAnnouncementViewStatistics.Select(w => w.SupervisedPersonId).ToList()
            };

            //返回结果
            return ResultOutput.Ok(rtn);
        }

        /// <summary>
        /// 分页查询
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        [HttpPost]
        public async Task<IResultOutput> GetPageAsync(AppAnnouncementPageInput input)
        {
            var express = GetExpression(input, _appAnnouncementRepository.AsQueryable(false, true));
            var rtn = await base.GetPageAsync<AppAnnouncement, AppAnnouncementPageInput, AppAnnouncementListDto>(input, express);
            return ResultOutput.Ok(rtn);
        }

        /// <summary>
        /// 创建或者修改通知公告
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        public async Task<IResultOutput> CreateOrModify(AppAnnouncementCreateOrModifyInput input)
        {
            var announceValid = await base.Valid<AppAnnouncement, AppAnnouncementCreateOrModifyInput, long>(input, _appAnnouncementRepository, w =>
            {
                w = w.AndNotNull(w => w.Title.Equals(input.Title), input.Title.IsNotNullOrEmpty());

                return (w, $"当前公告类型名字：{input.Title}已存在");
            });

            if (!announceValid.Success) return announceValid;

            var announcementId = input.Id;

            input.SenderId = User.Id;

            //修改
            if (input.Id > 0) await base.UpdateAsync(input, _appAnnouncementRepository);
            else announcementId = (await base.AddWithDataAsync(input, _appAnnouncementRepository))?.Id;

            //处理发送人
            var personalIds = input.SupervisedPersonDtos!.Where(w => w.SupervisedPersonId > 0).Select(w => w.SupervisedPersonId);

            //查出当前公告发送人在查阅表中
            var senderIds = (await _appAnnouncementViewStatisticsRepository
                .AsQueryable(false, true)
                .Where(w => w.AnnouncementId == input.Id)
                .ToListAsync())
                .Select(w => w.SupervisedPersonId);

            //新增的
            var addIds = personalIds.Except(senderIds);
            if (addIds.Any())
            {
                var spCaseList = await GetCurrentSupervisePersonProcessingCase(addIds);

                var addAnnouncementViews = addIds.Select(spId =>
                {
                    var currentSpCase = spCaseList.FirstOrDefault(w => w.SupervisedPersonId == spId);
                    return new AppAnnouncementViewStatistics()
                    {
                        AnnouncementId = announcementId!.Value,
                        Title = input.Title,
                        CaseId = currentSpCase?.CaseId,
                        CaseName = currentSpCase?.CaseName,
                        SupervisedPersonId = spId,
                        SupervisedPersonName = input.SupervisedPersonDtos!.FirstOrDefault(w => w.SupervisedPersonId == spId)?.SupervisedPersonName
                    };
                });

                await _appAnnouncementViewStatisticsRepository.InsertAsync(addAnnouncementViews);
            }

            //
            //删除的
            var removeIds = senderIds.Except(personalIds);
            if (removeIds.Any()) await _appAnnouncementViewStatisticsRepository.DeleteAsync(w => removeIds.Contains(w.AnnouncementId));

            #region 发送给目标signalR客户端连接对象(到时候app端直接on("NoticeAnnouncementToSupervisedPerson"))即可接收

            var remindLis = _appAnnouncementViewStatisticsRepository
                .Where(w => w.AnnouncementId == announcementId)
                .Select(w => new AppRemindListDto()
                {
                    Id = announcementId!.Value,
                    CreatedTime = w.CheckTime,
                    CreatedUserId = w.CreatedUserId,
                    CreatedUserName = w.CreatedUserName,
                    Title = input.Title,
                    Content = input.Content,
                    CheckStatus = w.CheckStatus,
                    CheckTime = w.CheckTime
                }).ToList();
            var receiveIds = input
                .SupervisedPersonDtos!
                .Select(w => w.SupervisedPersonId.ToString())
                .ToList();
            await _hubContext
                .Clients
                .Users(receiveIds)
                .SendAsync(nameof(NonCustodialHub.NoticeAnnouncementToSupervisedPerson), JsonConvert.SerializeObject(remindLis));

            #endregion 发送给目标signalR客户端连接对象(到时候app端直接on("NoticeAnnouncementToSupervisedPerson"))即可接收

            //返回结果
            return ResultOutput.Ok();
        }

        /// <summary>
        /// 批量修改状态
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        public async Task<IResultOutput> BatchChangeDictionaryStatus(BatchChangeStatusInput input) => await base.BatchChangeStatus(input, _appAnnouncementRepository);

        /// <summary>
        /// 批量删除
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        [HttpDelete]
        public async Task<IResultOutput> BatchDeleteAsync(BatchIdsInput input)
        {
            if (!input.Ids.Any()) return ResultOutput.NotOk("参数不能为空!");

            await _appAnnouncementRepository.DeleteAsync(w => input.Ids.Contains(w.Id));
            await _appAnnouncementViewStatisticsRepository.DeleteAsync(w => input.Ids.Contains(w.AnnouncementId));
            return ResultOutput.Result(true);
        }

        /// <summary>
        /// 分页查询（公告查阅列表）
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        public async Task<IResultOutput> ViewStatistics(ViewStatisticsPageInput input)
        {
            var data = await _appAnnouncementViewStatisticsRepository
                .AsQueryable(false, true)
                .Where(w => w.AnnouncementId == input.Id)
                .OrderByDescending(r => r.Id)
                .ProjectTo<AppAnnouncementViewStatisticsListDto>(Mapper.ConfigurationProvider)
                .PagedAsync(input)
                .ConfigureAwait(false);

            return ResultOutput.Ok(data);
        }

        /// <summary>
        /// 业务工作台==>最新5条公告
        /// </summary>
        /// <returns></returns>
        public async Task<IResultOutput> AnnouncementBusinessWorkbench()
        {
            var dataList = await _appAnnouncementRepository.AsQueryable(false, true)
                .OrderByDescending(w => w.CreatedTime)
                .Skip(0)
                .Take(5)
                .ProjectTo<AppAnnouncementListDto>(Mapper.ConfigurationProvider)
                .ToListAsync();
            return ResultOutput.Ok(dataList);
        }

        /// <summary>
        /// 上传文件
        /// </summary>
        /// <param name="file"></param>
        /// <returns></returns>
        public async Task<IResultOutput> UploadFile([FromForm] IFormFile file)
        {
            var uploadConfig = LazyGetRequiredService<UploadConfigConfiguration>();

            return await base.CustomizedUpload(file, YitIdHelper.NextId(), uploadConfig.Announcement, null);
        }

        /// <summary>
        /// 批量设置是否查阅状态
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        public async Task<IResultOutput> BatchSetCheckStatus(BatchSetCheckStatusInput input)
        {
            if (_user?.Id > 0 || !input.AnnouncementIds.Any()) return ResultOutput.Ok();

            //查询记录(根据公告Id和订阅者ID(被监管人Id))
            var subAnnList = await _appAnnouncementViewStatisticsRepository
                .Where(w => input.AnnouncementIds.Contains(w.AnnouncementId) && w.SupervisedPersonId == User.Id)
                .ToListAsync();

            subAnnList.ForEach(item =>
            {
                //如果已经是已读了就直接返回
                if (item.CheckStatus == CheckStatusEnum.Checked) return;

                item!.CheckStatus = input.CheckStatus;

                if (input.CheckStatus == CheckStatusEnum.Checked)
                {
                    item.CheckTime = DateTime.Now;
                }
                else
                {
                    item.CheckTime = null;
                }
            });

            //批量修改
            await _appAnnouncementViewStatisticsRepository.UpdateAsync(subAnnList);
            return ResultOutput.Ok();
        }

        #region Private

        /// <summary>
        /// 查询条件
        /// </summary>
        /// <param name="pageInput"></param>
        /// <param name="query"></param>
        /// <returns></returns>
        private IQueryable<AppAnnouncement> GetExpression(AppAnnouncementPageInput pageInput, IQueryable<AppAnnouncement?> query)
        {
            query = query
                .WhereIf(pageInput.KeyWord.NotNull(), a => a.Title.Contains(pageInput.KeyWord))
                .WhereIf(pageInput.AnnouncementTypeIds.IsNotNullOrEmpty(), w => pageInput.AnnouncementTypeIds.Contains(w.AnnouncementTypeId))
                .WhereIf(pageInput.StatusSearch?.Content != null, w => w.DataStatus == pageInput.StatusSearch!.Content);

            var express = base.GetExpression<AppAnnouncement, AppAnnouncementPageInput, long>(pageInput, query);

            return express;
        }

        /// <summary>
        /// 获取当前被监管人正在进行的案件
        /// </summary>
        /// <returns></returns>
        private async Task<List<SupervisedPersonByUserOutput>> GetCurrentSupervisePersonProcessingCase(IEnumerable<long> spIds)
        {
            var caseDto = await (from c in _appCaseManagementRepository.AsQueryable(false, true)
                                 join cspr in _appSupervisedPersonRepository.AsQueryable(false, true) on c.Id equals cspr.CaseId
                                 where spIds.Contains(cspr.SupervisedPersonId) && c.CaseProgress != CaseProgressEnum.Closed
                                 select new SupervisedPersonByUserOutput()
                                 {
                                     CaseId = c.Id,
                                     CaseName = c.Name,
                                     SupervisedPersonId = cspr.SupervisedPersonId,
                                     SupervisedPersonName = cspr.SupervisedPersonName
                                 }).ToListAsync();

            return caseDto.OrderBy(w => w.SupervisedPersonId).ToList();
        }

        #endregion Private
    }
}